Vulnerability identifier: #VU52651

Vulnerability risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28168

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Jersey
Server applications / Frameworks for developing and running applications

Vendor: Eclipse

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to the use of the File.createTempFile which creates a file inside of the system temporary directory with the permissions: -rw-r--r--. A local attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Jersey: 2.28 - 3.0.1

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External links
http://github.com/eclipse-ee4j/jersey/security/advisories/GHSA-c43q-5hpj-4crv
http://github.com/eclipse-ee4j/jersey/pull/4712

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.